I recently turned on Windows Firewall on a Windows Server 2003 SP2 that has Exchange 2007 SP1 CAS/HUB/MAILBOX roles configured and email stopped coming in. I was wondering what ports I need to open to allow internal users to connect using Outlook 2003 and 2007. I tried to open port 25 & 443 but it still didn't work.
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To add imagery to an HTML email signature, you have two options available to you. You can either add a logo/image by embedding it directly into the signature or hosting it externally and linking to it.
The vast majority of email clients display l…